Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 138, NWS Cleveland, OH

August 8, 1992Erie County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 8, 1992, 4:18 PM EDT for Erie County, Pennsylvania. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 8, 1992, 4:18 PM EDT (20:18 UTC)
Expired
Aug 8, 1992, 5:15 PM EDT
In force
57 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, PA

What was reported inside it

TimeReportWhereRemark
Aug 8, 4:35 PM EDTHail 0.75Erie, PA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.3 hours before the alert went out and 146 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 1992-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 104 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 1992-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
104 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1086 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KERI 082020
SVRERI
PAC049-082115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
418 PM EDT SAT AUG 8 1992
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR THE FOLLOWING LOCATION...
 
IN NORTHWEST PENNSYLVANIA
 
   ...NORTHERN ERIE COUNTY
 
AND AJACENT LAKE ERIE WATERS
 
 
AT 415 THIS AFTERNOON WEATHER RADAR SHOWED A SEVERE THUNDERSTORM OVER
LAKE ERIE ABOUT 4 MILES NORTHWEST OF THE CITY OF ERIE...THIS SEVERE
THUNDERSTORM IS MOVING EAST AT 20 MILES AN HOUR AND WILL MOVE CLOSE TO
THE CITY OF ERIE AND PRESQUE ISLE STATE PARK.
 
SMALL BOAT OPERATORS ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD SEEK
SAFE HARBOR IF YOU ARE  IN THE PATH OF THIS STORM.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Aug 8, 4:01 PM EDT, 17 minutes before
PAZ001-082030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
350 PM EDT SAT AUG 08 1992

...STRONG THUNDERSTORM DEVELOPING NEAR THE PENNSYLVANIA LAKESHORE...

AT 350 THIS AFTERNOON WEATHER RADAR SHOWED A STRONG THUNDERSTORM DEVELOPING
OFFSHORE FROM CONNEAUT OHIO...OTHER THUNDERSTORMS ARE DEVELOPING JUST
SOUTH OF THE LAKESHORE IN NORTHEASTERN OHIO.  ALSO AN ISOLATED
THUNDERSTORM WAS OVER THE CENTRAL LAKE SOUTH OF LONG POINT CANADA.

THUNDERSTORMS WERE MOVING TOWARDS THE EAST AT 15 MILES AN HOUR.

SMALL BOATERS ON LAKE ERIE SHOULD KEEP ALERT FOR THREATENING WEATHER
AND BE PREPARED TO SEEK SAFE HARBOR.

PARRISH

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 8, 5:19 PM EDTSevere Thunderstorm WarningCLEErie56 min
Aug 8, 5:51 PM EDTSevere Thunderstorm WarningCLECrawford69 min
Aug 8, 6:45 PM EDTSevere Thunderstorm WarningCLEErie60 min
Aug 8, 6:50 PM EDTFlash Flood WarningCLECrawford3 hr
Aug 8, 7:05 PM EDTSevere Thunderstorm WarningCLEVenango55 min
Aug 8, 7:07 PM EDTSevere Thunderstorm WarningCLELawrence, Mercer68 min
Aug 8, 7:19 PM EDTTornado WarningCLELawrence41 min
Aug 8, 7:40 PM EDTSevere Thunderstorm WarningCLECrawford65 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1992Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.